TW5864_IND_CTL
tw_writel(TW5864_IND_CTL, addr << 2 | TW5864_RW | TW5864_ENABLE);
while (tw_readl(TW5864_IND_CTL) & BIT(31) && --retries)
tw_writel(TW5864_IND_CTL, addr << 2 | TW5864_ENABLE);
while (tw_readl(TW5864_IND_CTL) & BIT(31) && --retries)
while (tw_readl(TW5864_IND_CTL) & BIT(31) && --retries)